[INFO] fetching crate serializable_enum 0.4.0...
[INFO] testing serializable_enum-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serializable_enum 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serializable_enum 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serializable_enum 0.4.0
[INFO] finished tweaking crates.io crate serializable_enum 0.4.0
[INFO] tweaked toml for crates.io crate serializable_enum 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286f2faf538a33175498aa3acba75e5a657f155212825fe55b6877c620278d6b
[INFO] running `Command { std: "docker" "start" "-a" "286f2faf538a33175498aa3acba75e5a657f155212825fe55b6877c620278d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286f2faf538a33175498aa3acba75e5a657f155212825fe55b6877c620278d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286f2faf538a33175498aa3acba75e5a657f155212825fe55b6877c620278d6b", kill_on_drop: false }`
[INFO] [stdout] 286f2faf538a33175498aa3acba75e5a657f155212825fe55b6877c620278d6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca71977bffb1c34a37c4d9f38ca3566dcb865ed95d2029c66309961adf4e8dc
[INFO] running `Command { std: "docker" "start" "-a" "7ca71977bffb1c34a37c4d9f38ca3566dcb865ed95d2029c66309961adf4e8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serializable_enum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "7ca71977bffb1c34a37c4d9f38ca3566dcb865ed95d2029c66309961adf4e8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca71977bffb1c34a37c4d9f38ca3566dcb865ed95d2029c66309961adf4e8dc", kill_on_drop: false }`
[INFO] [stdout] 7ca71977bffb1c34a37c4d9f38ca3566dcb865ed95d2029c66309961adf4e8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2ad34a9b316e532b9afe61c8e65f0d3cd0fb18ea56a5700d101b56c7f525bc5
[INFO] running `Command { std: "docker" "start" "-a" "e2ad34a9b316e532b9afe61c8e65f0d3cd0fb18ea56a5700d101b56c7f525bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serializable_enum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "e2ad34a9b316e532b9afe61c8e65f0d3cd0fb18ea56a5700d101b56c7f525bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ad34a9b316e532b9afe61c8e65f0d3cd0fb18ea56a5700d101b56c7f525bc5", kill_on_drop: false }`
[INFO] [stdout] e2ad34a9b316e532b9afe61c8e65f0d3cd0fb18ea56a5700d101b56c7f525bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b04207840ff105b044fb6a84f00eb89848e37fd6860648943db1d01df2f8e219
[INFO] running `Command { std: "docker" "start" "-a" "b04207840ff105b044fb6a84f00eb89848e37fd6860648943db1d01df2f8e219", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serializable_enum-eace3890810a8d9e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serializable_enum.rs (/opt/rustwide/target/debug/deps/serializable_enum-edaff5e72b91212e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_priv_serialization ... ok
[INFO] [stdout] test test_failing_deserialization_type ... ok
[INFO] [stderr]    Doc-tests serializable_enum
[INFO] [stdout] test test_pub_serialization ... ok
[INFO] [stdout] test test_failing_deserialization_variant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - serializable_enum (line 47) ... ok
[INFO] [stdout] test src/lib.rs - impl_as_ref_from_str (line 167) ... ok
[INFO] [stdout] test src/lib.rs - serializable_enum (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b04207840ff105b044fb6a84f00eb89848e37fd6860648943db1d01df2f8e219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04207840ff105b044fb6a84f00eb89848e37fd6860648943db1d01df2f8e219", kill_on_drop: false }`
[INFO] [stdout] b04207840ff105b044fb6a84f00eb89848e37fd6860648943db1d01df2f8e219